This will prevent Jamie from sending you messages, friend request or from viewing your profile. They will not be notified. Comments on discussion boards from them will be hidden by default.
“We cannot tell the precise moment when friendship is formed. As in filling a vessel drop by drop, there is at last a drop which makes it run over. So in a series of acts of kindness there is, at last, one which makes the heart run over.”
―
James Boswell